22105133423 has 4 divisors (see below), whose sum is σ = 22111894608. Its totient is φ = 22098372240.

The previous prime is 22105133419. The next prime is 22105133441. The reversal of 22105133423 is 32433150122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22105133423 - 2² = 22105133419 is a prime.

It is a super-3 number, since 3×22105133423³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22105133392 and 22105133401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105123423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375686 + ... + 3382227.

It is an arithmetic number, because the mean of its divisors is an integer number (5527973652).

Almost surely, 2^22105133423 is an apocalyptic number.

22105133423 is a deficient number, since it is larger than the sum of its proper divisors (6761185).

22105133423 is an equidigital number, since it uses as much as digits as its factorization.

22105133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761184.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 22105133423 its reverse (32433150122), we get a palindrome (54538283545).

The spelling of 22105133423 in words is "twenty-two billion, one hundred five million, one hundred thirty-three thousand, four hundred twenty-three".